1893 - Thomas Edison received two U.S. patents. The first was for a "Cut Out for Incandescent Electric Lamps" and another for a "Stop Device" (No. 491,992-3). Also No. 492,150 for "Process of Coating Conductors for Incandescent Lamps."
... the Constitution of Canada like the Charter.
Links
Canadian Charter of Rights and Freedoms (http://www.laurentia.com/ccrf/ccrf.htm)
Constitutional Law of Canada ...